Arrange the following in the correct sequence: Primary oocyte, Blastocyst, Gastrula, Primary oocte, ovum, Morula, Zygote, Oogonia.

Arrange the following in a correct sequence and form a food chain:- Human-Insect rarr Algae rarr Fish

Arrange the following words in correct sequence : Tissues ,organ system , organism, cell, organ.

Arrange the following in a correct sequence and from a food chain: Rabbit rarr Carrot rarr Eagle rarr Snake

Arrange the following in a correct sequence and form a food chain:- Rabbit rarr Carrot rarr Eagle rarr Snake

Arrange the following in the correct sequence: Isthmus, Infundibulum, Ampulla, Body of uterus, Fundus, Vagina, Cervix.

Arrange the following in the correct sequence: Rete testis, Ejaculatory duct, Seminiferous tubules, Urethra, Penis, Epidiymis, Tubulus rectus, Vasa efferentia, Vas deferens.

Arrange the following terms in the correct developmental sequence : Pollen grain , sporogenous tissue, microspore tetrad ,pollen mother cell, male gametes .

Arrange the following events in a proper sequence. Embryogenesis , Zygote formation, Syngamy, Gametogenesis

Arrange the following events of meiosis in correct sequences and select the correct option Crossing over Synapsis Terminalisation of chiasmata Disappearance of nucleolous.

Arrange the following statements in correct sequence. 1.Plants manufacture food by a process called photosynthesis. 2.Plants require energy for their growth. 3.Plants take carbon-di-oxide from the atmosphere, use chlorophyll in the presence of sunlight and prepare food. 4.Plants take in oxygen and release carbon-di-oxide just as animals. 5.Such oxygen is available to animals and human beings for breathing. 6.During this process, oxygen is released by plants.